Blazer
Member
Registered: 31st Aug 02
Location: Devon - Drives: frost blue 1.4L 8V
User status: Offline
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just wondering, what makes it fail the emissions test, because its mot time soon for me, i dont think my car will fail its emissions but does anyone know what makes the emissions to high????
cheers folks
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Kris TD
Member
Registered: 25th Mar 02
Location: Ware, Hertfordshire
User status: Offline
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no cat, fuelling too high etc..
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Kris TD
Member
Registered: 25th Mar 02
Location: Ware, Hertfordshire
User status: Offline
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timing needing adjusting.
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Gary GSi
Member
Registered: 30th Oct 02
Location: Lincoln
User status: Offline
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Or Lambda sensor dodgy , blocked or damaged Cat.
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Blade_sri
Member
Registered: 23rd Apr 03
Location: Pop
User status: Offline
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i cant remember wot the senor is called (probably the cat) but thats wot mine failed on! It cost £99 to get or £201 for them to get it and fit, I got it for £99 and it took me 5 mins to fix!!
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Richie
Member
Registered: 3rd Dec 02
Location: Newport, Wales
User status: Offline
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if it took 5 mins i dont think it was the cat lol
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Blade_sri
Member
Registered: 23rd Apr 03
Location: Pop
User status: Offline
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it was the senor that goes from the engine to the front of the zorst
quote:
Originally posted by AustinPXX
if it took 5 mins i dont think it was the cat lol
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Gary GSi
Member
Registered: 30th Oct 02
Location: Lincoln
User status: Offline
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Thats the Lambda sensor, aka oxygen sensor. it picks up the amount of oxygen in the exhaust and sends a massage to the ECU to adjust the air/fuel mix.
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Cursa
Member
Registered: 30th Mar 02
Location: Dumfries & Galloway
User status: Offline
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Maybe i should try giving my ECU a massage to unleash a few extra horses.
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corsa_chris
Member
Registered: 15th Jan 03
Location: Scotland
User status: Offline
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any1 know what would cos a high CO emission cos i failed mine yesterday for that (3-4 times over what it sould of been)
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Blazer
Member
Registered: 31st Aug 02
Location: Devon - Drives: frost blue 1.4L 8V
User status: Offline
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i hope mine does fail its emissions
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Blazer
Member
Registered: 31st Aug 02
Location: Devon - Drives: frost blue 1.4L 8V
User status: Offline
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i mean donest
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animality-gt
Member
Registered: 23rd Jul 02
Location: Dublin,IRELAND
User status: Offline
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and u didnt even spell it right the second time 
try reseting the ecu that mite get the air/fuel mix in better shape,then clean out the carbon deposits from ure engine wit sum sorta cleaner eg.nitrox. apart from that its time to check the cat and make sure its in workin order maybe even giv it a flush through.
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corsa_chris
Member
Registered: 15th Jan 03
Location: Scotland
User status: Offline
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ill give that a try...would the carb have anythin to do with it???
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WARPED
Member
Registered: 12th Jun 02
Location: Stoke + Wolves - Corsa Sport
User status: Offline
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the reason u r likely to fail on a high co2 can be due to many things but when mine did it the problem was my vavle stem seals were shot, could also be piston rings
valve stem seals cost me 208 quid to replace with new head gasket (to be safe) cam belt and all the extra little bits
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Kris TD
Member
Registered: 25th Mar 02
Location: Ware, Hertfordshire
User status: Offline
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quote:
Originally posted by corsa_chris
ill give that a try...would the carb have anythin to do with it???
no cos corsas dont have carbs.
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animality-gt
Member
Registered: 23rd Jul 02
Location: Dublin,IRELAND
User status: Offline
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unless u fit them to it.
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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If you give the car a right thrashing before the test so its really hot then the emisions will be lower.
If they are high then you have a problem with something as these engines are designed to run lean and economically.
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leeshez
Member
Registered: 3rd May 01
Location: Great Harwood, Lancashire
User status: Offline
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Mine failed on emmisions last year it was the lambada sensor Cheers Lee 
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